<template>
	<el-form class="login-content-form">
		<el-form-item>
			<el-input
				type="text"
				placeholder="用户名 admin 或不输均为 test"
				prefix-icon="el-icon-user"
				v-model="ruleForm.username"
				clearable
				autocomplete="off"
			>
			</el-input>
		</el-form-item>
		<el-form-item>
			<el-input
				:type="isShowPassword ? 'text' : 'password'"
				placeholder="密码：123456"
				prefix-icon="el-icon-lock"
				v-model="ruleForm.password"
				autocomplete="off"
			>
				<template #suffix>
					<i
						class="iconfont el-input__icon login-content-password"
						:class="isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="isShowPassword = !isShowPassword"
					>
					</i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item>
			<el-button type="primary" class="login-content-submit" round @click="showVerification" :loading="loading.signIn">
				<span>登 录</span>
			</el-button>
		</el-form-item>
		<el-form-item>
			<Vcode
				:show="isShowVerification"
				@success="successVerification"
				@close="closeVerification"
				canvasWidth="350"
				canvasHeight="210"
				sliderSize="30"
			/>
		</el-form-item>
	</el-form>
</template>

<script lang="ts">
import { toRefs, reactive, defineComponent, computed, getCurrentInstance } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import { initBackEndControlRoutes } from '/@/router/backEnd';
import Vcode from 'vue3-puzzle-vcode';
import { useStore } from '/@/store/index';
import { Session } from '/@/utils/storage';
import { formatAxis } from '/@/utils/formatTime';
import { signIn } from '/@/api/login/index';
import { requestPost } from '/@/api/template';

export default defineComponent({
	name: 'login',
	components: { Vcode },
	setup() {
		const { proxy } = getCurrentInstance() as any;
		const store = useStore();
		const route = useRoute();
		const router = useRouter();
		const state = reactive({
			isShowVerification: false,
			isShowPassword: false,
			ruleForm: {
				username: 'lmabbe',
				password: '123456',
				grant_type: 'password',
				client_id: import.meta.env.VITE_CLIENT_ID,
				client_secret: import.meta.env.VITE_CLIENT_SECRET,
			},
			loading: {
				signIn: false,
			},
		});
		// 时间获取
		const currentTime = computed(() => {
			return formatAxis(new Date());
		});

		//显示验证码
		const showVerification = () => {
			state.loading.signIn = true;
			state.isShowVerification = true;
		};

		//关闭验证码
		const closeVerification = () => {
			state.loading.signIn = false;
			state.isShowVerification = false;
		};

		//验证成功回调
		const successVerification = () => {
			state.isShowVerification = false;
			onSignIn();
		};
		// 登录
		const onSignIn = async () => {
			state.loading.signIn = true;
			// oauth/token
			requestPost('oauth/token', state.ruleForm).then((res: any) => {
				if (res.code === 200) {
					const userInfos = res.data;
					// 存储 token 到浏览器缓存
					debugger;
					Session.set('token', res.extra.token);
					// 存储用户信息到浏览器缓存
					Session.set('userInfo', userInfos);
					// 1、请注意执行顺序(存储用户信息到vuex)
					store.dispatch('userInfos/setUserInfos', userInfos);
					// 模拟后端控制路由，isRequestRoutes 为 true，则开启后端控制路由
					// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
					initBackEndControlRoutes();
					// 执行完 initBackEndControlRoutes，再执行 signInSuccess
					signInSuccess();
				}
			});
		};
		// 登录成功后的跳转
		const signInSuccess = () => {
			// 初始化登录成功时间问候语
			let currentTimeInfo = currentTime.value;
			// 登录成功，跳到转首页
			// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
			// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
			if (route.query?.redirect) {
				router.push({
					path: route.query?.redirect,
					query: Object.keys(route.query?.params).length > 0 ? JSON.parse(route.query?.params) : '',
				});
			} else {
				router.push('/');
			}
			// 登录成功提示
			setTimeout(() => {
				// 关闭 loading
				state.loading.signIn = true;
				ElMessage.success(`${currentTimeInfo}，欢迎回来！`);
				// 修复防止退出登录再进入界面时，需要刷新样式才生效的问题，初始化布局样式等(登录的时候触发，目前方案)
				proxy.mittBus.emit('onSignInClick');
			}, 300);
		};
		return {
			currentTime,
			closeVerification,
			showVerification,
			successVerification,
			...toRefs(state),
		};
	},
});
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;

	.login-content-password {
		display: inline-block;
		width: 25px;
		cursor: pointer;

		&:hover {
			color: #909399;
		}
	}

	.login-content-code {
		display: flex;
		align-items: center;
		justify-content: space-around;

		.login-content-code-img {
			width: 100%;
			height: 40px;
			line-height: 40px;
			background-color: #ffffff;
			border: 1px solid rgb(220, 223, 230);
			color: #333;
			font-size: 16px;
			font-weight: 700;
			letter-spacing: 5px;
			text-indent: 5px;
			text-align: center;
			cursor: pointer;
			transition: all ease 0.2s;
			border-radius: 4px;
			user-select: none;

			&:hover {
				border-color: #c0c4cc;
				transition: all ease 0.2s;
			}
		}
	}

	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}
</style>
